Prosource Supply Inc is an active intrastate non-hazmat carrier based in Chatsworth, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 95% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 74% | 90% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 2 | 2 | 2 |
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 16 | 5 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 5, 2025 | CA | STRAIGHT TRUCK | 2 | 0 |
| Oct 15, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Aug 26, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Jun 28, 2025 | CA | STRAIGHT TRUCK | 3 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 2.50 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 11 | 4.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| Unsafe Driving |
| 1 |
| 1 |
| 0 |
| Apr 29, 2025 | CA | STRAIGHT TRUCK | 2 | 0 |
| Apr 21, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 20, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Sep 25, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Sep 23, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Sep 19, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 5, 2025 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Nov 5, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 15, 2025 | 39311A1LCL | Lighting - Clearance lamp(s) missing | Vehicle Maintenance | — |
| Aug 26, 2025 | 39311A1LCL | Lighting - Clearance lamp(s) missing | Vehicle Maintenance | — |
| Jun 28, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Jun 28, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jun 28, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Apr 29, 2025 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Apr 29, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Apr 21, 2025 | 39311A1LSML | Lighting - Side marker lamp(s) missing | Vehicle Maintenance | — |